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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef __GETOPT_H__</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment">/* </span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * Implementation of the `getopt&#39;, `getopt_long&#39; and `getopt_long_only&#39;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * APIs, for inclusion in the MinGW runtime library.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * This file is part of the MinGW32 package set.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * Written by Keith Marshall &lt;keithmarshall@users.sourceforge.net&gt;</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * Copyright (C) 2008, 2009, 2011, 2012, MinGW.org Project.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * ---------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * copy of this software and associated documentation files (the &quot;Software&quot;),</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * The above copyright notice, this permission notice, and the following</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> * disclaimer shall be included in all copies or substantial portions of</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> * the Software.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"> * ---------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#define __GETOPT_H__</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">/* All the headers include this file. */</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#include &lt;crtdefs.h&gt;</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="preprocessor">#include &lt;stdarg.h&gt;</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160; </div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160; </div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> optind;      <span class="comment">/* index of first non-option in argv      */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> optopt;      <span class="comment">/* single option character, as parsed     */</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> opterr;      <span class="comment">/* flag to enable built-in diagnostics... */</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;                <span class="comment">/* (user may set to zero, to suppress)    */</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160; </div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">char</span> *optarg;        <span class="comment">/* pointer to argument of current option  */</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160; </div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">/* Identify how to get the calling program name, for use in messages...</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="preprocessor">#ifdef __CYGWIN__</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment"> * CYGWIN uses this DLL reference...</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="preprocessor"># define PROGNAME  __progname</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">char</span> __declspec(dllimport) *__progname;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment"> * ...while elsewhere, we simply use the first argument passed.</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="preprocessor"># define PROGNAME  *argv</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160; </div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> getopt(<span class="keywordtype">int</span> nargc, <span class="keywordtype">char</span> * <span class="keyword">const</span> *nargv, <span class="keyword">const</span> <span class="keywordtype">char</span> *options);</div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160; </div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="preprocessor">#ifdef _BSD_SOURCE</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment"> * BSD adds the non-standard `optreset&#39; feature, for reinitialisation</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"> * of `getopt&#39; parsing.  We support this feature, for applications which</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment"> * proclaim their BSD heritage, before including this header; however,</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment"> * to maintain portability, developers are advised to avoid it.</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="preprocessor"># define optreset  __mingw_optreset</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> optreset;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;}</div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment"> * POSIX requires the `getopt&#39; API to be specified in `unistd.h&#39;;</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"> * thus, `unistd.h&#39; includes this header.  However, we do not want</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"> * to expose the `getopt_long&#39; or `getopt_long_only&#39; APIs, when</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment"> * included in this manner.  Thus, close the standard __GETOPT_H__</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"> * declarations block, and open an additional __GETOPT_LONG_H__</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment"> * specific block, only when *not* __UNISTD_H_SOURCED__, in which</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment"> * to declare the extended API.</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* !defined(__GETOPT_H__) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160; </div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="preprocessor">#if !defined(__UNISTD_H_SOURCED__) &amp;&amp; !defined(__GETOPT_LONG_H__)</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="preprocessor">#define __GETOPT_LONG_H__</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160; </div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span> {</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160; </div>
<div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="structoption.html">  113</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structoption.html">option</a>       <span class="comment">/* specification for a long form option...  */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;{</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">char</span> *name;     <span class="comment">/* option name, without leading hyphens */</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;  <span class="keywordtype">int</span>         has_arg;      <span class="comment">/* does it take an argument?        */</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;  <span class="keywordtype">int</span>        *flag;     <span class="comment">/* where to save its status, or NULL    */</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  <span class="keywordtype">int</span>         val;      <span class="comment">/* its associated status value      */</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;};</div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160; </div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="keyword">enum</span>            <span class="comment">/* permitted values for its `has_arg&#39; field...  */</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;{</div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  no_argument = 0,          <span class="comment">/* option never takes an argument   */</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;  required_argument,        <span class="comment">/* option always requires an argument   */</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;  optional_argument     <span class="comment">/* option may take an argument      */</span></div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;};</div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160; </div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> getopt_long(<span class="keywordtype">int</span> nargc, <span class="keywordtype">char</span> * <span class="keyword">const</span> *nargv, <span class="keyword">const</span> <span class="keywordtype">char</span> *options,</div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *long_options, <span class="keywordtype">int</span> *idx);</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">int</span> getopt_long_only(<span class="keywordtype">int</span> nargc, <span class="keywordtype">char</span> * <span class="keyword">const</span> *nargv, <span class="keyword">const</span> <span class="keywordtype">char</span> *options,</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *long_options, <span class="keywordtype">int</span> *idx);</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="comment"> * Previous MinGW implementation had...</span></div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="preprocessor">#ifndef HAVE_DECL_GETOPT</span></div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="comment"> * ...for the long form API only; keep this for compatibility.</span></div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="preprocessor"># define HAVE_DECL_GETOPT   1</span></div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160; </div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160; </div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160; </div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;<span class="comment">/* Identify how to get the calling program name, for use in messages...</span></div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="preprocessor">#ifdef __CYGWIN__</span></div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="comment"> * CYGWIN uses this DLL reference...</span></div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="preprocessor"># define PROGNAME  __progname</span></div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;<span class="keyword">extern</span> <span class="keywordtype">char</span> __declspec(dllimport) *__progname;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="comment"> * ...while elsewhere, we simply use the first argument passed.</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="preprocessor"># define PROGNAME  *argv</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160; </div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment">/* Initialise the public variables. */</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160; </div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="keywordtype">int</span> optind = 1;             <span class="comment">/* index for first non-option arg     */</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="keywordtype">int</span> opterr = 1;             <span class="comment">/* enable built-in error messages     */</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; </div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="keywordtype">char</span> *optarg = NULL;            <span class="comment">/* pointer to current option argument */</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160; </div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="preprocessor">#define CHAR  char          </span><span class="comment">/* argument type selector */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160; </div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="preprocessor">#define getopt_switchar         &#39;-&#39; </span><span class="comment">/* option prefix character in argv    */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="preprocessor">#define getopt_pluschar         &#39;+&#39; </span><span class="comment">/* prefix for POSIX mode in optstring */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="preprocessor">#define getopt_takes_argument   &#39;:&#39; </span><span class="comment">/* marker for optarg in optstring     */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="preprocessor">#define getopt_arg_assign       &#39;=&#39;     </span><span class="comment">/* longopt argument field separator   */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="preprocessor">#define getopt_unknown          &#39;?&#39; </span><span class="comment">/* return code for unmatched option   */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="preprocessor">#define getopt_ordered           1      </span><span class="comment">/* return code for ordered non-option */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="preprocessor">#define getopt_all_done         -1  </span><span class="comment">/* return code to indicate completion */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="keyword">enum</span></div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;{ <span class="comment">/* All `getopt&#39; API functions are implemented via calls to the</span></div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="comment">   * common static function `getopt_parse()&#39;; these `mode&#39; selectors</span></div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;<span class="comment">   * determine the behaviour of `getopt_parse()&#39;, to deliver the</span></div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;<span class="comment">   * appropriate result in each case.</span></div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;  getopt_mode_standard = 0, <span class="comment">/* getopt()       */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;  getopt_mode_long,     <span class="comment">/* getopt_long()      */</span></div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;  getopt_mode_long_only     <span class="comment">/* getopt_long_only() */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;};</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160; </div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;<span class="keyword">enum</span></div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;{ <span class="comment">/* When attempting to match a command line argument to a long form option,</span></div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment">   * these indicate the status of the match.</span></div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;  getopt_no_match = 0,      <span class="comment">/* no successful match               */</span></div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;  getopt_abbreviated_match, <span class="comment">/* argument is an abbreviation for an option */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;  getopt_exact_match        <span class="comment">/* argument matches the full option name     */</span></div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;};</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160; </div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="keywordtype">int</span> optopt = getopt_unknown;    <span class="comment">/* return value for option being evaluated   */</span></div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160; </div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">/* Some BSD applications expect to be able to reinitialise `getopt&#39; parsing</span></div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment"> * by setting a global variable called `optreset&#39;.  We provide an obfuscated</span></div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="comment"> * API, which allows applications to emulate this brain damage; however, any</span></div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="comment"> * use of this is non-portable, and is strongly discouraged.</span></div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="preprocessor">#define optreset  __mingw_optreset</span></div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="keywordtype">int</span> optreset = 0;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160; </div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="keywordtype">int</span> getopt_missing_arg( <span class="keyword">const</span> CHAR *optstring )</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;{</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;  <span class="comment">/* Helper function to determine the appropriate return value,</span></div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="comment">   * for the case where a required option argument is missing.</span></div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;  <span class="keywordflow">if</span>( (*optstring == getopt_pluschar) || (*optstring == getopt_switchar) )</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    ++optstring;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;  <span class="keywordflow">return</span> (*optstring == getopt_takes_argument)</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    ? getopt_takes_argument</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;    : getopt_unknown;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;}</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160; </div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;<span class="comment">/* `complain&#39; macro facilitates the generation of simple built-in</span></div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="comment"> * error messages, displayed on various fault conditions, provided</span></div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="comment"> * `opterr&#39; is non-zero.</span></div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;<span class="preprocessor">#define complain( MSG, ARG )  if( opterr ) \</span></div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;<span class="preprocessor">  fprintf( stderr, &quot;%s: &quot;</span>MSG&quot;\n&quot;, PROGNAME, ARG )</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160; </div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="keywordtype">int</span> getopt_argerror( <span class="keywordtype">int</span> mode, <span class="keywordtype">char</span> *fmt, CHAR *prog, <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *opt, <span class="keywordtype">int</span> retval )</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;{</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;  <span class="comment">/* Helper function, to generate more complex built-in error</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment">   * messages, for invalid arguments to long form options ...</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;  <span class="keywordflow">if</span>( opterr )</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;  {</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;    <span class="comment">/* ... but, displayed only if `opterr&#39; is non-zero.</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;    <span class="keywordtype">char</span> flag[] = <span class="stringliteral">&quot;--&quot;</span>;</div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;    <span class="keywordflow">if</span>( mode != getopt_mode_long )</div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;<span class="comment">       * only display one hyphen, for implicit long form options,</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;<span class="comment">       * improperly resolved by `getopt_long_only()&#39;.</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;      flag[1] = 0;</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;<span class="comment">     * always preface the program name ...</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    fprintf( stderr, <span class="stringliteral">&quot;%s: &quot;</span>, prog );</div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">     * to the appropriate, option specific message.</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    fprintf( stderr, fmt, flag, opt-&gt;name );</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  }</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  <span class="comment">/* Whether displaying the message, or not, always set `optopt&#39;</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment">   * to identify the faulty option ...</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;  optopt = opt-&gt;val;</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  <span class="comment">/*</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment">   * and return the `invalid option&#39; indicator.</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160;  <span class="keywordflow">return</span> retval;</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;}</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160; </div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;<span class="comment">/* `getopt_conventions&#39; establish behavioural options, to control</span></div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;<span class="comment"> * the operation of `getopt_parse()&#39;, e.g. to select between POSIX</span></div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;<span class="comment"> * and GNU style argument parsing behaviour.</span></div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="preprocessor">#define getopt_set_conventions  0x1000</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="preprocessor">#define getopt_posixly_correct  0x0010</span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160; </div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="keywordtype">int</span> getopt_conventions( <span class="keywordtype">int</span> flags )</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;{</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> conventions = 0;</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160; </div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;  <span class="keywordflow">if</span>( (conventions == 0) &amp;&amp; ((flags &amp; getopt_set_conventions) == 0) )</div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;  {</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;    <span class="comment">/* default conventions have not yet been established;</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="comment">     * initialise them now!</span></div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    conventions = getopt_set_conventions;</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;    <span class="keywordflow">if</span>( flags == getopt_pluschar )</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;      conventions |= getopt_posixly_correct;</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;  }</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160; </div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span>( flags &amp; getopt_set_conventions )</div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="comment">     * default conventions may have already been established,</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="comment">     * but this is a specific request to augment them.</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;    conventions |= flags;</div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160; </div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;  <span class="comment">/* in any event, return the currently established conventions.</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;  <span class="keywordflow">return</span> conventions;</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;}</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160; </div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;<span class="keywordtype">int</span> is_switchar( CHAR flag )</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;{</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;  <span class="comment">/* A simple helper function, used to identify the switch character</span></div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;<span class="comment">   * introducing an optional command line argument.</span></div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;  <span class="keywordflow">return</span> flag == getopt_switchar;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;}</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160; </div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;<span class="keyword">const</span> CHAR *getopt_match( CHAR lookup, <span class="keyword">const</span> CHAR *opt_string )</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;{</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;  <span class="comment">/* Helper function, used to identify short form options.</span></div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;  <span class="keywordflow">if</span>( (*opt_string == getopt_pluschar) || (*opt_string == getopt_switchar) )</div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;    ++opt_string;</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;  <span class="keywordflow">if</span>( *opt_string == getopt_takes_argument )</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    ++opt_string;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  <span class="keywordflow">do</span> <span class="keywordflow">if</span>( lookup == *opt_string ) <span class="keywordflow">return</span> opt_string;</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;     <span class="keywordflow">while</span>( *++opt_string );</div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;  <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;}</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160; </div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="keywordtype">int</span> getopt_match_long( <span class="keyword">const</span> CHAR *nextchar, <span class="keyword">const</span> CHAR *optname )</div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;{</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;  <span class="comment">/* Helper function, used to identify potential matches for</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment">   * long form options.</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;  CHAR matchchar;</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;  <span class="keywordflow">while</span>( (matchchar = *nextchar++) &amp;&amp; (matchchar == *optname) )</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;<span class="comment">     * skip over initial substring which DOES match.</span></div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;    ++optname;</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160; </div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  <span class="keywordflow">if</span>( matchchar )</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;  {</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    <span class="comment">/* did NOT match the entire argument to an initial substring</span></div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;<span class="comment">     * of a defined option name ...</span></div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;    <span class="keywordflow">if</span>( matchchar != getopt_arg_assign )</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;<span class="comment">       * ... and didn&#39;t stop at an `=&#39; internal field separator,</span></div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;<span class="comment">       * so this is NOT a possible match.</span></div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;      <span class="keywordflow">return</span> getopt_no_match;</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160; </div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    <span class="comment">/* DID stop at an `=&#39; internal field separator,</span></div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;<span class="comment">     * so this IS a possible match, and what follows is an</span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;<span class="comment">     * argument to the possibly matched option.</span></div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;    optarg = (<span class="keywordtype">char</span> *)(nextchar);</div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;  }</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;  <span class="keywordflow">return</span> *optname</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="comment">     * if we DIDN&#39;T match the ENTIRE text of the option name,</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="comment">     * then it&#39;s a possible abbreviated match ...</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;    ? getopt_abbreviated_match</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="comment">     * but if we DID match the entire option name,</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="comment">     * then it&#39;s a DEFINITE EXACT match.</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;    : getopt_exact_match;</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;}</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160; </div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="keywordtype">int</span> getopt_resolved( <span class="keywordtype">int</span> mode, <span class="keywordtype">int</span> argc, CHAR *<span class="keyword">const</span> *argv, <span class="keywordtype">int</span> *argind,</div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *opt, <span class="keywordtype">int</span> index, <span class="keywordtype">int</span> *retindex, <span class="keyword">const</span> CHAR *optstring )</div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;{</div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;  <span class="comment">/* Helper function to establish appropriate return conditions,</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="comment">   * on resolution of a long form option.</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;  <span class="keywordflow">if</span>( retindex != NULL )</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;    *retindex = index;</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160; </div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;  <span class="comment">/* On return, `optind&#39; should normally refer to the argument, if any,</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="comment">   * which follows the current one; it is convenient to set this, before</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="comment">   * checking for the presence of any `optarg&#39;.</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;  optind = *argind + 1;</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160; </div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;  <span class="keywordflow">if</span>( optarg &amp;&amp; (opt[index].has_arg == no_argument) )</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="comment">     * it is an error for the user to specify an option specific argument</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;<span class="comment">     * with an option which doesn&#39;t expect one!</span></div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;    <span class="keywordflow">return</span> getopt_argerror( mode, <span class="stringliteral">&quot;option `%s%s&#39; doesn&#39;t accept an argument\n&quot;</span>,</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;    PROGNAME, opt + index, getopt_unknown );</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160; </div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span>( (optarg == NULL) &amp;&amp; (opt[index].has_arg == required_argument) )</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;  {</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;    <span class="comment">/* similarly, it is an error if no argument is specified</span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="comment">     * with an option which requires one ...</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;    <span class="keywordflow">if</span>( optind &lt; argc )</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="comment">       * ... except that the requirement may be satisfied from</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="comment">       * the following command line argument, if any ...</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;      optarg = argv[*argind = optind++];</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160; </div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;      <span class="comment">/* so fail this case, only if no such argument exists!</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;      <span class="keywordflow">return</span> getopt_argerror( mode, <span class="stringliteral">&quot;option `%s%s&#39; requires an argument\n&quot;</span>,</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;      PROGNAME, opt + index, getopt_missing_arg( optstring ) );</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;  }</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160; </div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;  <span class="comment">/* when the caller has provided a return buffer ...</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;  <span class="keywordflow">if</span>( opt[index].flag != NULL )</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;  {</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;    <span class="comment">/* ... then we place the proper return value there,</span></div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;<span class="comment">     * and return a status code of zero ...</span></div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;    *(opt[index].flag) = opt[index].val;</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;  }</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;  <span class="comment">/* ... otherwise, the return value becomes the status code.</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;  <span class="keywordflow">return</span> opt[index].val;</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;}</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160; </div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="keywordtype">int</span> getopt_verify( <span class="keyword">const</span> CHAR *nextchar, <span class="keyword">const</span> CHAR *optstring )</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;{</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;  <span class="comment">/* Helper function, called by getopt_parse() when invoked</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="comment">   * by getopt_long_only(), to verify when an unmatched or an</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="comment">   * ambiguously matched long form option string is valid as</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;<span class="comment">   * a short form option specification.</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;  <span class="keywordflow">if</span>( ! (nextchar &amp;&amp; *nextchar &amp;&amp; optstring &amp;&amp; *optstring) )</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment">     * There are no characters to be matched, or there are no</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="comment">     * valid short form option characters to which they can be</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment">     * matched, so this can never be valid.</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;    <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160; </div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;  <span class="keywordflow">while</span>( *nextchar )</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;  {</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;    <span class="comment">/* For each command line character in turn ...</span></div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    <span class="keyword">const</span> CHAR *test;</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;    <span class="keywordflow">if</span>( (test = getopt_match( *nextchar++, optstring )) == NULL )</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;<span class="comment">       * ... there is no short form option to match the current</span></div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;<span class="comment">       * candidate, so the entire argument fails.</span></div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;      <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160; </div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;    <span class="keywordflow">if</span>( test[1] == getopt_takes_argument )</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;<span class="comment">       * The current candidate is valid, and it matches an option</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;<span class="comment">       * which takes an argument, so this command line argument is</span></div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;<span class="comment">       * a valid short form option specification; accept it.</span></div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;      <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;  }</div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;  <span class="comment">/* If we get to here, then every character in the command line</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment">   * argument was valid as a short form option; accept it.</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;}</div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160; </div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="keyword">static</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="preprocessor">#define getopt_std_args int argc, CHAR *const argv[], const CHAR *optstring</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="keywordtype">int</span> getopt_parse( <span class="keywordtype">int</span> mode, getopt_std_args, ... )</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;{</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;  <span class="comment">/* Common core implementation for ALL `getopt&#39; functions.</span></div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> argind = 0;</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> optbase = 0;</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> CHAR *nextchar = NULL;</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">int</span> optmark = 0;</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160; </div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;  <span class="keywordflow">if</span>( (optreset |= (optind &lt; 1)) || (optind &lt; optbase) )</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;  {</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;    <span class="comment">/* POSIX does not prescribe any definitive mechanism for restarting</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="comment">     * a `getopt&#39; scan, but some applications may require such capability.</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="comment">     * We will support it, by allowing the caller to adjust the value of</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="comment">     * `optind&#39; downwards, (nominally setting it to zero).  Since POSIX</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="comment">     * wants `optind&#39; to have an initial value of one, but we want all</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;<span class="comment">     * of our internal place holders to be initialised to zero, when we</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;<span class="comment">     * are called for the first time, we will handle such a reset by</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="comment">     * adjusting all of the internal place holders to one less than</span></div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;<span class="comment">     * the adjusted `optind&#39; value, (but never to less than zero).</span></div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;    <span class="keywordflow">if</span>( optreset )</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;    {</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;      <span class="comment">/* User has explicitly requested reinitialisation...</span></div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;<span class="comment">       * We need to reset `optind&#39; to it&#39;s normal initial value of 1,</span></div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;<span class="comment">       * to avoid a potential infinitely recursive loop; by doing this</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;<span class="comment">       * up front, we also ensure that the remaining place holders</span></div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;<span class="comment">       * will be correctly reinitialised to no less than zero.</span></div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;      optind = 1;</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160; </div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;      <span class="comment">/* We also need to clear the `optreset&#39; request...</span></div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;      optreset = 0;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;    }</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160; </div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;    <span class="comment">/* Now, we may safely reinitialise the internal place holders, to</span></div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;<span class="comment">     * one less than `optind&#39;, without fear of making them negative.</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;    optmark = optbase = argind = optind - 1;</div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;    nextchar = NULL;</div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;  }</div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;  </div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;  <span class="comment">/* From a POSIX perspective, the following is `undefined behaviour&#39;;</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="comment">   * we implement it thus, for compatibility with GNU and BSD getopt.</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span>( optind &gt; (argind + 1) )</div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;  {</div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;    <span class="comment">/* Some applications expect to be able to manipulate `optind&#39;,</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment">     * causing `getopt&#39; to skip over one or more elements of `argv&#39;;</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="comment">     * POSIX doesn&#39;t require us to support this brain-damaged concept;</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="comment">     * (indeed, POSIX defines no particular behaviour, in the event of</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="comment">     *  such usage, so it must be considered a bug for an application</span></div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="comment">     *  to rely on any particular outcome); nonetheless, Mac-OS-X and</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment">     * BSD actually provide *documented* support for this capability,</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="comment">     * so we ensure that our internal place holders keep track of</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="comment">     * external `optind&#39; increments; (`argind&#39; must lag by one).</span></div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;    argind = optind - 1;</div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160; </div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;    <span class="comment">/* When `optind&#39; is misused, in this fashion, we also abandon any</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="comment">     * residual text in the argument we had been parsing; this is done</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;<span class="comment">     * without any further processing of such abandoned text, assuming</span></div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;<span class="comment">     * that the caller is equipped to handle it appropriately.</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;    nextchar = NULL;</div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;  }</div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160; </div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;  <span class="keywordflow">if</span>( nextchar &amp;&amp; *nextchar )</div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;  {</div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;    <span class="comment">/* we are parsing a standard, or short format, option argument ...</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;    <span class="keyword">const</span> CHAR *optchar;</div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;    <span class="keywordflow">if</span>( (optchar = getopt_match( optopt = *nextchar++, optstring )) != NULL )</div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;    {</div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;      <span class="comment">/* we have identified it as valid ...</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;      <span class="keywordflow">if</span>( optchar[1] == getopt_takes_argument )</div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;      {</div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;    <span class="comment">/* and determined that it requires an associated argument ...</span></div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;    <span class="keywordflow">if</span>( ! *(optarg = (<span class="keywordtype">char</span> *)(nextchar)) )</div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;    {</div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;      <span class="comment">/* the argument is NOT attached ...</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;      <span class="keywordflow">if</span>( optchar[2] == getopt_takes_argument )</div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;<span class="comment">         * but this GNU extension marks it as optional,</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;<span class="comment">         * so we don&#39;t provide one on this occasion.</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;        optarg = NULL;</div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160; </div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;      <span class="comment">/* otherwise this option takes a mandatory argument,</span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="comment">       * so, provided there is one available ...</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;      <span class="keywordflow">else</span> <span class="keywordflow">if</span>( (argc - argind) &gt; 1 )</div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;        <span class="comment">/*</span></div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;<span class="comment">         * we take the following command line argument,</span></div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;<span class="comment">         * as the appropriate option argument.</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;        optarg = argv[++argind];</div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160; </div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;      <span class="comment">/* but if no further argument is available,</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="comment">       * then there is nothing we can do, except for</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="comment">       * issuing the requisite diagnostic message.</span></div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;      <span class="keywordflow">else</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;      {</div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;        complain( <span class="stringliteral">&quot;option requires an argument -- %c&quot;</span>, optopt );</div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;        <span class="keywordflow">return</span> getopt_missing_arg( optstring );</div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;      }</div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;    }</div>
<div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;    optind = argind + 1;</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;    nextchar = NULL;</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;      }</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;      <span class="keywordflow">else</span></div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;    optarg = NULL;</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;      optind = (nextchar &amp;&amp; *nextchar) ? argind : argind + 1;</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;      <span class="keywordflow">return</span> optopt;</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;    }</div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;    <span class="comment">/* if we didn&#39;t find a valid match for the specified option character,</span></div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;<span class="comment">     * then we fall through to here, so take appropriate diagnostic action.</span></div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;    <span class="keywordflow">if</span>( mode == getopt_mode_long_only )</div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;    {</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;      complain( <span class="stringliteral">&quot;unrecognised option `-%s&#39;&quot;</span>, --nextchar );</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;      nextchar = NULL;</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;      optopt = 0;</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    }</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;      complain( <span class="stringliteral">&quot;invalid option -- %c&quot;</span>, optopt );</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;    optind = (nextchar &amp;&amp; *nextchar) ? argind : argind + 1;</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;    <span class="keywordflow">return</span> getopt_unknown;</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;  }</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160; </div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;  <span class="keywordflow">if</span>( optmark &gt; optbase )</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;  {</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;    <span class="comment">/* This can happen, in GNU parsing mode ONLY, when we have</span></div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="comment">     * skipped over non-option arguments, and found a subsequent</span></div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="comment">     * option argument; in this case we permute the arguments.</span></div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;    <span class="keywordtype">int</span> index;</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="comment">     * `optspan&#39; specifies the number of contiguous arguments</span></div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;<span class="comment">     * which are spanned by the current option, and so must be</span></div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;<span class="comment">     * moved together during permutation.</span></div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;    <span class="keyword">const</span> <span class="keywordtype">int</span> optspan = argind - optmark + 1;</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;<span class="comment">     * we use `this_arg&#39; to store these temporarily.</span></div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;    CHAR **this_arg = malloc(<span class="keyword">sizeof</span>(CHAR*) * optspan);</div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;    <span class="comment">/*</span></div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;<span class="comment">     * we cannot manipulate `argv&#39; directly, since the `getopt&#39;</span></div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="comment">     * API prototypes it as `read-only&#39;; this cast to `arglist&#39;</span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="comment">     * allows us to work around that restriction.</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;    CHAR **arglist = (<span class="keywordtype">char</span> **)(argv);</div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160; </div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;    <span class="comment">/* save temporary copies of the arguments which are associated</span></div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;<span class="comment">     * with the current option ...</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;    <span class="keywordflow">for</span>( index = 0; index &lt; optspan; ++index )</div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;      this_arg[index] = arglist[optmark + index];</div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160; </div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;    <span class="comment">/* move all preceding non-option arguments to the right,</span></div>
<div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;<span class="comment">     * overwriting these saved arguments, while making space</span></div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;<span class="comment">     * to replace them in their permuted location.</span></div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    <span class="keywordflow">for</span>( --optmark; optmark &gt;= optbase; --optmark )</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;      arglist[optmark + optspan] = arglist[optmark];</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160; </div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;    <span class="comment">/* restore the temporarily saved option arguments to</span></div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;<span class="comment">     * their permuted location.</span></div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;    <span class="keywordflow">for</span>( index = 0; index &lt; optspan; ++index )</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;      arglist[optbase + index] = this_arg[index];</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160; </div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;    <span class="comment">/* adjust `optbase&#39;, to account for the relocated option.</span></div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;    optbase += optspan;</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;    </div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;    free(this_arg);</div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;  }</div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160; </div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;    <span class="comment">/* no permutation occurred ...</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;<span class="comment">     * simply adjust `optbase&#39; for all options parsed so far.</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    optbase = argind + 1;</div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160; </div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;  <span class="comment">/* enter main parsing loop ...</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;  <span class="keywordflow">while</span>( argc &gt; ++argind )</div>
<div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;  {</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    <span class="comment">/* inspect each argument in turn, identifying possible options ...</span></div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    <span class="keywordflow">if</span>( is_switchar( *(nextchar = argv[optmark = argind]) ) &amp;&amp; *++nextchar )</div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    {</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;      <span class="comment">/* we&#39;ve found a candidate option argument ... */</span></div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160; </div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;      <span class="keywordflow">if</span>( is_switchar( *nextchar ) )</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;      {</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;    <span class="comment">/* it&#39;s a double hyphen argument ... */</span></div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160; </div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;    <span class="keyword">const</span> CHAR *refchar = nextchar;</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    <span class="keywordflow">if</span>( *++refchar )</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;    {</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;      <span class="comment">/* and it looks like a long format option ...</span></div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;<span class="comment">       * `getopt_long&#39; mode must be active to accept it as such,</span></div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;<span class="comment">       * `getopt_long_only&#39; also qualifies, but we must downgrade</span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;<span class="comment">       * it to force explicit handling as a long format option.</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;      <span class="keywordflow">if</span>( mode &gt;= getopt_mode_long )</div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;      {</div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;        nextchar = refchar;</div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;        mode = getopt_mode_long;</div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;      }</div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;    }</div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;    <span class="keywordflow">else</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;    {</div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;      <span class="comment">/* this is an explicit `--&#39; end of options marker, so wrap up now!</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;      <span class="keywordflow">if</span>( optmark &gt; optbase )</div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;      {</div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;        <span class="comment">/* permuting the argument list as necessary ...</span></div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;<span class="comment">         * (note use of `this_arg&#39; and `arglist&#39;, as above).</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;        CHAR *this_arg = argv[optmark];</div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;        CHAR **arglist = (CHAR **)(argv);</div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160; </div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;        <span class="comment">/* move all preceding non-option arguments to the right ...</span></div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;        <span class="keywordflow">do</span> arglist[optmark] = arglist[optmark - 1];</div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;           <span class="keywordflow">while</span>( optmark-- &gt; optbase );</div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160; </div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;        <span class="comment">/* reinstate the `--&#39; marker, in its permuted location.</span></div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;        arglist[optbase] = this_arg;</div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;      }</div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;      <span class="comment">/* ... before finally bumping `optbase&#39; past the `--&#39; marker,</span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;<span class="comment">       * and returning the `all done&#39; completion indicator.</span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;      optind = ++optbase;</div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;      <span class="keywordflow">return</span> getopt_all_done;</div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;    }</div>
<div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;      }</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;      <span class="keywordflow">else</span> <span class="keywordflow">if</span>( mode &lt; getopt_mode_long_only )</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;      {</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    <span class="comment">/* it&#39;s not an explicit long option, and `getopt_long_only&#39; isn&#39;t active,</span></div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;<span class="comment">     * so we must explicitly try to match it as a short option.</span></div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;    mode = getopt_mode_standard;</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;      }</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160; </div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;      <span class="keywordflow">if</span>( mode &gt;= getopt_mode_long )</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;      {</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;    <span class="comment">/* the current argument is a long form option, (either explicitly,</span></div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;<span class="comment">     * introduced by a double hyphen, or implicitly because we were called</span></div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;<span class="comment">     * by `getopt_long_only&#39;); this is where we parse it.</span></div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;    <span class="keywordtype">int</span> lookup;</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;    <span class="keywordtype">int</span> matched = -1;</div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160; </div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;    <span class="comment">/* we need to fetch the `extra&#39; function arguments, which are</span></div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;<span class="comment">     * specified for the `getopt_long&#39; APIs.</span></div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;    va_list refptr;</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;    <span class="keyword">struct </span><a class="code" href="structoption.html">option</a> *longopts;</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;    <span class="keywordtype">int</span> *optindex;</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;    va_start( refptr, optstring );</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;    longopts = va_arg( refptr, <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> * );</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;    optindex = va_arg( refptr, <span class="keywordtype">int</span> * );</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;    va_end( refptr );</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160; </div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;    <span class="comment">/* ensuring that `optarg&#39; does not inherit any junk, from parsing</span></div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;<span class="comment">     * preceding arguments ...</span></div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;    optarg = NULL;</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;    <span class="keywordflow">for</span>( lookup = 0; longopts &amp;&amp; longopts[lookup].name; ++lookup )</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;    {</div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;      <span class="comment">/* scan the list of defined long form options ...</span></div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;          <span class="keywordflow">switch</span>( getopt_match_long( nextchar, longopts[lookup].name ) )</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;          {</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;        <span class="comment">/* looking for possible matches for the current argument.</span></div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;            <span class="keywordflow">case</span> getopt_exact_match:</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;          <span class="comment">/*</span></div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;<span class="comment">           * when an exact match is found,</span></div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;<span class="comment">           * return it immediately, setting `nextchar&#39; to NULL,</span></div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;<span class="comment">           * to ensure we don&#39;t mistakenly try to match any</span></div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;<span class="comment">           * subsequent characters as short form options.</span></div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;<span class="comment">           */</span></div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;          nextchar = NULL;</div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;          <span class="keywordflow">return</span> getopt_resolved( mode, argc, argv, &amp;argind,</div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;          longopts, lookup, optindex, optstring );</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160; </div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;        <span class="keywordflow">case</span> getopt_abbreviated_match:</div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;          <span class="comment">/*</span></div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;<span class="comment">           * but, for a partial (initial substring) match ...</span></div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;<span class="comment">           */</span></div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;          <span class="keywordflow">if</span>( matched &gt;= 0 )</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;          {</div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;        <span class="comment">/* if this is not the first, then we have an ambiguity ...</span></div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;        <span class="keywordflow">if</span>( (mode == getopt_mode_long_only)</div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;          <span class="comment">/*</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;<span class="comment">           * However, in the case of getopt_long_only(), if</span></div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;<span class="comment">           * the entire ambiguously matched string represents</span></div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;<span class="comment">           * a valid short option specification, then we may</span></div>
<div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;<span class="comment">           * proceed to interpret it as such.</span></div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;<span class="comment">           */</span></div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;        &amp;&amp;  getopt_verify( nextchar, optstring )  )</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;          <span class="keywordflow">return</span> getopt_parse( mode, argc, argv, optstring );</div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160; </div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;        <span class="comment">/* If we get to here, then the ambiguously matched</span></div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;<span class="comment">         * partial long option isn&#39;t valid for short option</span></div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;<span class="comment">         * evaluation; reset parser context to resume with</span></div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;<span class="comment">         * the following command line argument, diagnose</span></div>
<div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;<span class="comment">         * ambiguity, and bail out.</span></div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;<span class="comment">         */</span></div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;        optopt = 0;</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;        nextchar = NULL;</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;        optind = argind + 1;</div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;        complain( <span class="stringliteral">&quot;option `%s&#39; is ambiguous&quot;</span>, argv[argind] );</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;        <span class="keywordflow">return</span> getopt_unknown;</div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;          }</div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;          <span class="comment">/* otherwise just note that we&#39;ve found a possible match ...</span></div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;<span class="comment">           */</span></div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;          matched = lookup;</div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;          }</div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;    }</div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;    <span class="keywordflow">if</span>( matched &gt;= 0 )</div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;    {</div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;      <span class="comment">/* if we get to here, then we found exactly one partial match,</span></div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;<span class="comment">       * so return it, as for an exact match.</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;      nextchar = NULL;</div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;      <span class="keywordflow">return</span> getopt_resolved( mode, argc, argv, &amp;argind,</div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;          longopts, matched, optindex, optstring );</div>
<div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;    }</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    <span class="comment">/* if here, then we had what SHOULD have been a long form option,</span></div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;<span class="comment">     * but it is unmatched ...</span></div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;    <span class="keywordflow">if</span>( (mode &lt; getopt_mode_long_only)</div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;<span class="comment">       * ... although paradoxically, `mode == getopt_mode_long_only&#39;</span></div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;<span class="comment">       * allows us to still try to match it as a short form option.</span></div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;        ||  (getopt_verify( nextchar, optstring ) == 0)  )</div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;    {</div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;      <span class="comment">/* When it cannot be matched, reset the parsing context to</span></div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;<span class="comment">       * resume from the next argument, diagnose the failed match,</span></div>
<div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;<span class="comment">       * and bail out.</span></div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;      optopt = 0;</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;      nextchar = NULL;</div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;      optind = argind + 1;</div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;      complain( <span class="stringliteral">&quot;unrecognised option `%s&#39;&quot;</span>, argv[argind] );</div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;      <span class="keywordflow">return</span> getopt_unknown;</div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;    }</div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;      }</div>
<div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;      <span class="comment">/* fall through to handle standard short form options...</span></div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;<span class="comment">       * when the option argument format is neither explictly identified</span></div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;<span class="comment">       * as long, nor implicitly matched as such, and the argument isn&#39;t</span></div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;<span class="comment">       * just a bare hyphen, (which isn&#39;t an option), then we make one</span></div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;<span class="comment">       * recursive call to explicitly interpret it as short format.</span></div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;      <span class="keywordflow">if</span>( *nextchar )</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;    <span class="keywordflow">return</span> getopt_parse( mode, argc, argv, optstring );</div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;    }</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;    <span class="comment">/* if we get to here, then we&#39;ve parsed a non-option argument ...</span></div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;<span class="comment">     * in GNU compatibility mode, we step over it, so we can permute</span></div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;<span class="comment">     * any subsequent option arguments, but ...</span></div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;<span class="comment">     */</span></div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;    <span class="keywordflow">if</span>( *optstring == getopt_switchar )</div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;    {</div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;      <span class="comment">/* if `optstring&#39; begins with a `-&#39; character, this special</span></div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;<span class="comment">       * GNU specific behaviour requires us to return the non-option</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;<span class="comment">       * arguments in strict order, as pseudo-arguments to a special</span></div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;<span class="comment">       * option, with return value defined as `getopt_ordered&#39;.</span></div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;      nextchar = NULL;</div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;      optind = argind + 1;</div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;      optarg = argv[argind];</div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;      <span class="keywordflow">return</span> getopt_ordered;</div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;    }</div>
<div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;    <span class="keywordflow">if</span>( getopt_conventions( *optstring ) &amp; getopt_posixly_correct )</div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;      <span class="comment">/*</span></div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;<span class="comment">       * otherwise ...</span></div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;<span class="comment">       * for POSIXLY_CORRECT behaviour, or if `optstring&#39; begins with</span></div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;<span class="comment">       * a `+&#39; character, then we break out of the parsing loop, so that</span></div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;<span class="comment">       * the scan ends at the current argument, with no permutation.</span></div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;<span class="comment">       */</span></div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;      <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;  }</div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;  <span class="comment">/* fall through when all arguments have been evaluated,</span></div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;<span class="comment">   */</span></div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;  optind = optbase;</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;  <span class="keywordflow">return</span> getopt_all_done;</div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;}</div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160; </div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;<span class="comment">/* All three public API entry points are trivially defined,</span></div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;<span class="comment"> * in terms of the internal `getopt_parse&#39; function.</span></div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;<span class="keywordtype">int</span> getopt( getopt_std_args )</div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;{</div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;  <span class="keywordflow">return</span> getopt_parse( getopt_mode_standard, argc, argv, optstring );</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;}</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160; </div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;<span class="keywordtype">int</span> getopt_long( getopt_std_args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *opts, <span class="keywordtype">int</span> *index )</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;{</div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;  <span class="keywordflow">return</span> getopt_parse( getopt_mode_long, argc, argv, optstring, opts, index );</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;}</div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160; </div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;<span class="keywordtype">int</span> getopt_long_only( getopt_std_args, <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structoption.html">option</a> *opts, <span class="keywordtype">int</span> *index )</div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;{</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;  <span class="keywordflow">return</span> getopt_parse( getopt_mode_long_only, argc, argv, optstring, opts, index );</div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;}</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160; </div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;<span class="preprocessor">#ifdef __weak_alias</span></div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="comment"> * These Microsnot style uglified aliases are provided for compatibility</span></div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;<span class="comment"> * with the previous MinGW implementation of the getopt API.</span></div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;__weak_alias( getopt, _getopt )</div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;__weak_alias( getopt_long, _getopt_long )</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;__weak_alias( getopt_long_only, _getopt_long_only )</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160; </div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160; </div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160; </div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160; </div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;<span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;}</div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160; </div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* !defined(__UNISTD_H_SOURCED__) &amp;&amp; !defined(__GETOPT_LONG_H__) */</span><span class="preprocessor"></span></div>
<div class="ttc" id="astructoption_html"><div class="ttname"><a href="structoption.html">option</a></div><div class="ttdef"><b>Definition:</b> getopt.h:114</div></div>
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